Ukrainian President Volodymyr Zelenskyy reported that Russia is amassing 50,000 troops at the border with Ukraine's Sumy region, aiming to create a buffer zone. Despite Russian military efforts, Ukraine has had successes in the region. Civilians have been evacuated, and the Ukrainian military warns of potential new attacks on Kharkiv. Russian President Vladimir Putin confirmed plans for a security buffer zone. The conflict continues to escalate, with significant troop mobilization on both sides.